2-((1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)carbamoyl)terephthalic acid CAS 302602-92-2
| CAS No. | 302602-92-2 |
| Molecular Formula | C20H17N3O6 |
| Molecular Weight | 395.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-((1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)carbamoyl)terephthalic acid (CAS 302602-92-2) is a high-purity analytical reference standard with the molecular formula C20H17N3O6 and a molecular weight of 395.37 g/mol.
Structurally, 2-((1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)carbamoyl)terephthalic acid (C20H17N3O6) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 14.0, corresponding to approximately 14 ring(s) or double-bond equivalent(s). With a molecular weight of 395.37 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 2-((1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)carbamoyl)terephthalic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C20H17N3O6 |
| Molecular Weight | 395.37 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
Related Dimethyl Standards
- n-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1h-pyrazol-4-yl)-2-(4-formyl-2-methoxyphenoxy)acetamide (CAS 838379-75-2)
- 2-[4,5-Dimethyl-2-(3-oxazol-2-yl-phenoxymethyl)-cyclohexa-1,4-dienyl]-3-methoxy-acrylic acid methyl ester (CAS 1230663-23-6)
- 2-[4,5-Dimethyl-2-(3-oxazol-2-yl-phenoxymethyl)-cyclohexa-1,4-dienyl]-2-methoxyimino-N-methyl-acetamide (CAS 1230681-67-0)
- N-(6-(3,5-dimethyl-1H-pyrazol-1-yl)-2-(furan-2-yl)pyrimidin-4-yl)-2-(4-methylpiperazin-1-yl)acetamide (CAS 912940-20-6)
- 6,6-Dimethyl-2-(6-(1-methyl-1H-pyrazol-4-yl)-2H-benzo[b][1,4]oxazin-4(3H)-yl)-6,7-dihydrothiazolo[5,4-c]pyridin-4(5H)-one (CAS 1000793-52-1)
- 2-(2,5-Dimethyl-1H-pyrrol-1-yl)-5-(1-tosylpyrrolidin-2-yl)pyridine (CAS 1352528-08-5)
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- 4,8-Dimethyl-2-(4-phenylmethanesulfonylpiperazin-1-yl)quinoline (CAS 478081-71-9)
Recommended Standards
- (E)-2-(3,4-dimethoxyphenyl)-3-oxobutanal O-(3-(trifluoromethyl)benzyl) oxime (CAS 337921-45-6)
- 2-((2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)amino)-2-oxoethyl 2-(4-oxoquinazolin-3(4H)-yl)acetate (CAS 852940-38-6)
- (S)-2-((S)-3-(1H-Imidazol-4-yl)-2-((S)-5-oxopyrrolidine-2-carboxamido)propanamido)pentanedioic acid (CAS 141262-41-1)
- 2-(4-Methoxyphenoxy)-3-(3-(trifluoromethyl)phenyl)quinoline (CAS 337921-94-5)
- (Furan-2-ylmethyl)[(3-methylphenyl)methyl]amine (CAS 510723-74-7)
- 5-[3-(4-Methoxy-3-methyl-phenyl)-propyl]-[1,3,4]oxadiazole-2-thiol (CAS 433247-73-5)
- N-(2-(Furan-2-yl)-2-oxoethyl)-4-methylbenzamide (CAS 88352-94-7)
- Tert-butyl methyl((3R,5R)-5-methylpyrrolidin-3-yl)carbamate (CAS 2227198-44-7)
- Ethyl 6-Chlorobenzofuran-2-carboxylate (CAS 74222-19-8)
- 5-Chloro-1-(3,4-difluorophenyl)pentan-1-one (CAS 898761-51-8)
- 4-Fluorobenzo[d]thiazol-7-ol (CAS 1402003-96-6)
- 2-Bromo-4-(4-isobutylphenyl)thiazole (CAS 1188040-69-8)
- 4,4,5,5-Tetramethyl-2-(2-methyl-5-(trifluoromethyl)phenyl)-1,3,2-dioxaborolane (CAS 1030832-71-3)
- C-Peptide (human) (CAS 33017-11-7)
Why CATO?
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- 130,000+ catalog items in stock, COA supplied with every batch
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